Assisted cloning- and orthogonal-complementing of an unknown state

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Assisted cloning- and orthogonal-complementing of an unknown stateWe propose a protocol where one can exploit dual quantum and classical channels to achieve perfect ``cloning- and ``orthogonal-complementing- of an unknown state with a minimal assistance from a state preparer (without revealing what the input state is). The first stage of the protocol requires usual teleportation and in the second stage, the prepa